“…Show them not only the dangers of physical and chemical factors on the human body, the importance of improving working conditions and safety in production, but also how to eliminate unhealthy psychological state, improve interpersonal relationships, as well as promote physical and mental health [26]. Psychological files for the miners who have psychological problems should be established, accompanying psychological guidance, adjustment of the work environment or drug therapy, in addition to the follow-up investigation, so as to eliminate hidden dangers of safety production in coal mine and escort the safety production.…”